Mercurial > hg > libxtract
view src/fftsg.h @ 148:e899c3a708ad
fixed bug in xtract_dct where data wasn't being copied to result vector
| author | Jamie Bullock <jamie@jamiebullock.com> |
|---|---|
| date | Wed, 09 Jan 2013 15:59:48 +0000 |
| parents | 67f6b6e63d45 |
| children |
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/* FFT functions */ void cdft(int n, int isgn, double *a, int *ip, double *w); void rdft(int n, int isgn, double *a, int *ip, double *w); void ddct(int n, int isgn, double *a, int *ip, double *w); void ddst(int n, int isgn, double *a, int *ip, double *w); void dfct(int n, double *a, double *t, int *ip, double *w); void dfst(int n, double *a, double *t, int *ip, double *w); /* Auxiliary functions */ void makewt(int nw, int *ip, double *w); void bitrv2(int n, int *ip, double *a); void bitrv2conj(int n, int *ip, double *a); void cftfsub(int n, double *a, double *w); void cftbsub(int n, double *a, double *w); void makect(int nc, int *ip, double *c); void rftfsub(int n, double *a, int nc, double *c); void rftbsub(int n, double *a, int nc, double *c); void dctsub(int n, double *a, int nc, double *c); void dstsub(int n, double *a, int nc, double *c); void cft1st(int n, double *a, double *w); void cftmdl(int n, int l, double *a, double *w);